| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Testing; |
| 4: | |
| 5: | use PhpParser\Node; |
| 6: | use PhpParser\Node\Expr\StaticCall; |
| 7: | use PhpParser\Node\Name; |
| 8: | use PHPStan\Analyser\Fiber\FiberNodeScopeResolver; |
| 9: | use PHPStan\Analyser\MutatingScope; |
| 10: | use PHPStan\Analyser\NodeScopeResolver; |
| 11: | use PHPStan\Analyser\Scope; |
| 12: | use PHPStan\Analyser\ScopeContext; |
| 13: | use PHPStan\DependencyInjection\Type\DynamicThrowTypeExtensionProvider; |
| 14: | use PHPStan\DependencyInjection\Type\ParameterClosureThisExtensionProvider; |
| 15: | use PHPStan\DependencyInjection\Type\ParameterClosureTypeExtensionProvider; |
| 16: | use PHPStan\DependencyInjection\Type\ParameterOutTypeExtensionProvider; |
| 17: | use PHPStan\File\FileHelper; |
| 18: | use PHPStan\File\SystemAgnosticSimpleRelativePathHelper; |
| 19: | use PHPStan\Node\DeepNodeCloner; |
| 20: | use PHPStan\Node\InClassNode; |
| 21: | use PHPStan\Php\PhpVersion; |
| 22: | use PHPStan\PhpDoc\PhpDocInheritanceResolver; |
| 23: | use PHPStan\PhpDoc\TypeStringResolver; |
| 24: | use PHPStan\Reflection\ClassReflectionFactory; |
| 25: | use PHPStan\Reflection\InitializerExprTypeResolver; |
| 26: | use PHPStan\Reflection\ReflectionProvider; |
| 27: | use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider; |
| 28: | use PHPStan\ShouldNotHappenException; |
| 29: | use PHPStan\TrinaryLogic; |
| 30: | use PHPStan\Type\ConstantScalarType; |
| 31: | use PHPStan\Type\FileTypeMapper; |
| 32: | use PHPStan\Type\Type; |
| 33: | use PHPStan\Type\VerbosityLevel; |
| 34: | use Symfony\Component\Finder\Finder; |
| 35: | use function array_map; |
| 36: | use function array_merge; |
| 37: | use function count; |
| 38: | use function fclose; |
| 39: | use function fgets; |
| 40: | use function fopen; |
| 41: | use function getenv; |
| 42: | use function in_array; |
| 43: | use function is_dir; |
| 44: | use function is_string; |
| 45: | use function preg_match; |
| 46: | use function sprintf; |
| 47: | use function str_starts_with; |
| 48: | use function stripos; |
| 49: | use function strtolower; |
| 50: | use function version_compare; |
| 51: | use const PHP_VERSION; |
| 52: | |
| 53: | |
| 54: | abstract class TypeInferenceTestCase extends PHPStanTestCase |
| 55: | { |
| 56: | |
| 57: | protected static function createNodeScopeResolver(): NodeScopeResolver |
| 58: | { |
| 59: | $container = self::getContainer(); |
| 60: | $reflectionProvider = self::createReflectionProvider(); |
| 61: | $typeSpecifier = $container->getService('typeSpecifier'); |
| 62: | |
| 63: | $enableFnsr = getenv('PHPSTAN_FNSR'); |
| 64: | $className = NodeScopeResolver::class; |
| 65: | if ($enableFnsr === '1') { |
| 66: | $className = FiberNodeScopeResolver::class; |
| 67: | } |
| 68: | |
| 69: | return new $className( |
| 70: | $reflectionProvider, |
| 71: | $container->getByType(InitializerExprTypeResolver::class), |
| 72: | self::getReflector(), |
| 73: | $container->getByType(ClassReflectionFactory::class), |
| 74: | $container->getByType(ParameterOutTypeExtensionProvider::class), |
| 75: | self::getParser(), |
| 76: | $container->getByType(FileTypeMapper::class), |
| 77: | $container->getByType(PhpVersion::class), |
| 78: | $container->getByType(PhpDocInheritanceResolver::class), |
| 79: | $container->getByType(FileHelper::class), |
| 80: | $typeSpecifier, |
| 81: | $container->getByType(DynamicThrowTypeExtensionProvider::class), |
| 82: | $container->getByType(ReadWritePropertiesExtensionProvider::class), |
| 83: | $container->getByType(ParameterClosureThisExtensionProvider::class), |
| 84: | $container->getByType(ParameterClosureTypeExtensionProvider::class), |
| 85: | self::createScopeFactory($reflectionProvider, $typeSpecifier), |
| 86: | self::getContainer()->getByType(DeepNodeCloner::class), |
| 87: | $container->getParameter('polluteScopeWithLoopInitialAssignments'), |
| 88: | $container->getParameter('polluteScopeWithAlwaysIterableForeach'), |
| 89: | $container->getParameter('polluteScopeWithBlock'), |
| 90: | static::getEarlyTerminatingMethodCalls(), |
| 91: | static::getEarlyTerminatingFunctionCalls(), |
| 92: | $container->getParameter('exceptions')['implicitThrows'], |
| 93: | $container->getParameter('treatPhpDocTypesAsCertain'), |
| 94: | $container->getParameter('narrowMethodScopeFromConstructor'), |
| 95: | ); |
| 96: | } |
| 97: | |
| 98: | |
| 99: | |
| 100: | |
| 101: | protected static function createScope( |
| 102: | string $file, |
| 103: | array $dynamicConstantNames = [], |
| 104: | ): MutatingScope |
| 105: | { |
| 106: | $scopeFactory = self::createScopeFactory(self::createReflectionProvider(), self::getContainer()->getService('typeSpecifier'), $dynamicConstantNames); |
| 107: | return $scopeFactory->create(ScopeContext::create($file)); |
| 108: | } |
| 109: | |
| 110: | |
| 111: | |
| 112: | |
| 113: | |
| 114: | public static function processFile( |
| 115: | string $file, |
| 116: | callable $callback, |
| 117: | array $dynamicConstantNames = [], |
| 118: | ): void |
| 119: | { |
| 120: | $fileHelper = self::getContainer()->getByType(FileHelper::class); |
| 121: | $resolver = static::createNodeScopeResolver(); |
| 122: | $resolver->setAnalysedFiles(array_map(static fn (string $file): string => $fileHelper->normalizePath($file), array_merge([$file], static::getAdditionalAnalysedFiles()))); |
| 123: | |
| 124: | $resolver->processNodes( |
| 125: | self::getParser()->parseFile($file), |
| 126: | self::createScope($file, $dynamicConstantNames), |
| 127: | $callback, |
| 128: | ); |
| 129: | } |
| 130: | |
| 131: | |
| 132: | |
| 133: | |
| 134: | |
| 135: | public function assertFileAsserts( |
| 136: | string $assertType, |
| 137: | string $file, |
| 138: | ...$args, |
| 139: | ): void |
| 140: | { |
| 141: | if ($assertType === 'type') { |
| 142: | if ($args[0] instanceof Type) { |
| 143: | |
| 144: | $expectedType = $args[0]; |
| 145: | $this->assertInstanceOf(ConstantScalarType::class, $expectedType); |
| 146: | $expected = $expectedType->getValue(); |
| 147: | $actualType = $args[1]; |
| 148: | $actual = $actualType->describe(VerbosityLevel::precise()); |
| 149: | } else { |
| 150: | $expected = $args[0]; |
| 151: | $actual = $args[1]; |
| 152: | } |
| 153: | |
| 154: | $failureMessage = sprintf('Expected type %s, got type %s in %s on line %d.', $expected, $actual, $file, $args[2]); |
| 155: | |
| 156: | $delayedErrors = $args[3] ?? []; |
| 157: | if (count($delayedErrors) > 0) { |
| 158: | $failureMessage .= sprintf( |
| 159: | "\n\nThis failure might be reported because of the following misconfiguration %s:\n\n", |
| 160: | count($delayedErrors) === 1 ? 'issue' : 'issues', |
| 161: | ); |
| 162: | foreach ($delayedErrors as $delayedError) { |
| 163: | $failureMessage .= sprintf("* %s\n", $delayedError); |
| 164: | } |
| 165: | } |
| 166: | |
| 167: | $this->assertSame( |
| 168: | $expected, |
| 169: | $actual, |
| 170: | $failureMessage, |
| 171: | ); |
| 172: | } elseif ($assertType === 'superType') { |
| 173: | $expected = $args[0]; |
| 174: | $actual = $args[1]; |
| 175: | $isCorrect = $args[2]; |
| 176: | |
| 177: | $failureMessage = sprintf('Expected subtype of %s, got type %s in %s on line %d.', $expected, $actual, $file, $args[3]); |
| 178: | |
| 179: | $delayedErrors = $args[4] ?? []; |
| 180: | if (count($delayedErrors) > 0) { |
| 181: | $failureMessage .= sprintf( |
| 182: | "\n\nThis failure might be reported because of the following misconfiguration %s:\n\n", |
| 183: | count($delayedErrors) === 1 ? 'issue' : 'issues', |
| 184: | ); |
| 185: | foreach ($delayedErrors as $delayedError) { |
| 186: | $failureMessage .= sprintf("* %s\n", $delayedError); |
| 187: | } |
| 188: | } |
| 189: | |
| 190: | $this->assertTrue( |
| 191: | $isCorrect, |
| 192: | $failureMessage, |
| 193: | ); |
| 194: | } elseif ($assertType === 'variableCertainty') { |
| 195: | $expectedCertainty = $args[0]; |
| 196: | $actualCertainty = $args[1]; |
| 197: | $variableName = $args[2]; |
| 198: | |
| 199: | $failureMessage = sprintf('Expected %s, actual certainty of %s is %s in %s on line %d.', $expectedCertainty->describe(), $variableName, $actualCertainty->describe(), $file, $args[3]); |
| 200: | $delayedErrors = $args[4] ?? []; |
| 201: | if (count($delayedErrors) > 0) { |
| 202: | $failureMessage .= sprintf( |
| 203: | "\n\nThis failure might be reported because of the following misconfiguration %s:\n\n", |
| 204: | count($delayedErrors) === 1 ? 'issue' : 'issues', |
| 205: | ); |
| 206: | foreach ($delayedErrors as $delayedError) { |
| 207: | $failureMessage .= sprintf("* %s\n", $delayedError); |
| 208: | } |
| 209: | } |
| 210: | |
| 211: | $this->assertTrue( |
| 212: | $expectedCertainty->equals($actualCertainty), |
| 213: | $failureMessage, |
| 214: | ); |
| 215: | } |
| 216: | } |
| 217: | |
| 218: | |
| 219: | |
| 220: | |
| 221: | |
| 222: | |
| 223: | |
| 224: | |
| 225: | |
| 226: | |
| 227: | public static function gatherAssertTypes(string $file): array |
| 228: | { |
| 229: | $fileHelper = self::getContainer()->getByType(FileHelper::class); |
| 230: | |
| 231: | $relativePathHelper = new SystemAgnosticSimpleRelativePathHelper($fileHelper); |
| 232: | $reflectionProvider = self::getContainer()->getByType(ReflectionProvider::class); |
| 233: | $typeStringResolver = self::getContainer()->getByType(TypeStringResolver::class); |
| 234: | |
| 235: | $file = $fileHelper->normalizePath($file); |
| 236: | |
| 237: | $asserts = []; |
| 238: | $delayedErrors = []; |
| 239: | self::processFile($file, static function (Node $node, Scope $scope) use (&$asserts, &$delayedErrors, $file, $relativePathHelper, $reflectionProvider, $typeStringResolver): void { |
| 240: | if ($node instanceof InClassNode) { |
| 241: | if (!$reflectionProvider->hasClass($node->getClassReflection()->getName())) { |
| 242: | $delayedErrors[] = sprintf( |
| 243: | '%s %s in %s not found in ReflectionProvider. Configure "autoload-dev" section in composer.json to include your tests directory.', |
| 244: | $node->getClassReflection()->getClassTypeDescription(), |
| 245: | $node->getClassReflection()->getName(), |
| 246: | $file, |
| 247: | ); |
| 248: | } |
| 249: | } elseif ($node instanceof Node\Stmt\Trait_) { |
| 250: | if ($node->namespacedName === null) { |
| 251: | throw new ShouldNotHappenException(); |
| 252: | } |
| 253: | if (!$reflectionProvider->hasClass($node->namespacedName->toString())) { |
| 254: | $delayedErrors[] = sprintf('Trait %s not found in ReflectionProvider. Configure "autoload-dev" section in composer.json to include your tests directory.', $node->namespacedName->toString()); |
| 255: | } |
| 256: | } |
| 257: | if (!$node instanceof Node\Expr\FuncCall) { |
| 258: | return; |
| 259: | } |
| 260: | |
| 261: | $nameNode = $node->name; |
| 262: | if (!$nameNode instanceof Name) { |
| 263: | return; |
| 264: | } |
| 265: | |
| 266: | $functionName = $nameNode->toString(); |
| 267: | if (in_array(strtolower($functionName), ['asserttype', 'assertnativetype', 'assertsupertype', 'assertvariablecertainty'], true)) { |
| 268: | self::fail(sprintf( |
| 269: | 'Missing use statement for %s() in %s on line %d.', |
| 270: | $functionName, |
| 271: | $relativePathHelper->getRelativePath($file), |
| 272: | $node->getStartLine(), |
| 273: | )); |
| 274: | } elseif ($functionName === 'PHPStan\\Testing\\assertType') { |
| 275: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 276: | if (!$expectedType instanceof ConstantScalarType) { |
| 277: | self::fail(sprintf( |
| 278: | 'Expected type must be a literal string, %s given in %s on line %d.', |
| 279: | $expectedType->describe(VerbosityLevel::precise()), |
| 280: | $relativePathHelper->getRelativePath($file), |
| 281: | $node->getStartLine(), |
| 282: | )); |
| 283: | } |
| 284: | $actualType = $scope->getType($node->getArgs()[1]->value); |
| 285: | $assert = ['type', $file, $expectedType->getValue(), $actualType->describe(VerbosityLevel::precise()), $node->getStartLine()]; |
| 286: | } elseif ($functionName === 'PHPStan\\Testing\\assertNativeType') { |
| 287: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 288: | if (!$expectedType instanceof ConstantScalarType) { |
| 289: | self::fail(sprintf( |
| 290: | 'Expected type must be a literal string, %s given in %s on line %d.', |
| 291: | $expectedType->describe(VerbosityLevel::precise()), |
| 292: | $relativePathHelper->getRelativePath($file), |
| 293: | $node->getStartLine(), |
| 294: | )); |
| 295: | } |
| 296: | |
| 297: | $actualType = $scope->getNativeType($node->getArgs()[1]->value); |
| 298: | $assert = ['type', $file, $expectedType->getValue(), $actualType->describe(VerbosityLevel::precise()), $node->getStartLine()]; |
| 299: | } elseif ($functionName === 'PHPStan\\Testing\\assertSuperType') { |
| 300: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 301: | $expectedTypeStrings = $expectedType->getConstantStrings(); |
| 302: | if (count($expectedTypeStrings) !== 1) { |
| 303: | self::fail(sprintf( |
| 304: | 'Expected super type must be a literal string, %s given in %s on line %d.', |
| 305: | $expectedType->describe(VerbosityLevel::precise()), |
| 306: | $relativePathHelper->getRelativePath($file), |
| 307: | $node->getStartLine(), |
| 308: | )); |
| 309: | } |
| 310: | |
| 311: | $actualType = $scope->getType($node->getArgs()[1]->value); |
| 312: | $isCorrect = $typeStringResolver->resolve($expectedTypeStrings[0]->getValue())->isSuperTypeOf($actualType)->yes(); |
| 313: | |
| 314: | $assert = ['superType', $file, $expectedTypeStrings[0]->getValue(), $actualType->describe(VerbosityLevel::precise()), $isCorrect, $node->getStartLine()]; |
| 315: | } elseif ($functionName === 'PHPStan\\Testing\\assertVariableCertainty') { |
| 316: | $certainty = $node->getArgs()[0]->value; |
| 317: | if (!$certainty instanceof StaticCall) { |
| 318: | self::fail(sprintf('First argument of %s() must be TrinaryLogic call', $functionName)); |
| 319: | } |
| 320: | if (!$certainty->class instanceof Node\Name) { |
| 321: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 322: | } |
| 323: | |
| 324: | if ($certainty->class->toString() !== 'PHPStan\\TrinaryLogic') { |
| 325: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 326: | } |
| 327: | |
| 328: | if (!$certainty->name instanceof Node\Identifier) { |
| 329: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 330: | } |
| 331: | |
| 332: | |
| 333: | $expectedertaintyValue = TrinaryLogic::{$certainty->name->toString()}(); |
| 334: | $variable = $node->getArgs()[1]->value; |
| 335: | if ($variable instanceof Node\Expr\Variable && is_string($variable->name)) { |
| 336: | $actualCertaintyValue = $scope->hasVariableType($variable->name); |
| 337: | $variableDescription = sprintf('variable $%s', $variable->name); |
| 338: | } elseif ($variable instanceof Node\Expr\ArrayDimFetch && $variable->dim !== null) { |
| 339: | $offset = $scope->getType($variable->dim); |
| 340: | $actualCertaintyValue = $scope->getType($variable->var)->hasOffsetValueType($offset); |
| 341: | $variableDescription = sprintf('offset %s', $offset->describe(VerbosityLevel::precise())); |
| 342: | } else { |
| 343: | self::fail(sprintf('ERROR: Invalid assertVariableCertainty call.')); |
| 344: | } |
| 345: | |
| 346: | $assert = ['variableCertainty', $file, $expectedertaintyValue, $actualCertaintyValue, $variableDescription, $node->getStartLine()]; |
| 347: | } else { |
| 348: | $correctFunction = null; |
| 349: | |
| 350: | $assertFunctions = [ |
| 351: | 'assertType' => 'PHPStan\\Testing\\assertType', |
| 352: | 'assertNativeType' => 'PHPStan\\Testing\\assertNativeType', |
| 353: | 'assertSuperType' => 'PHPStan\\Testing\\assertSuperType', |
| 354: | 'assertVariableCertainty' => 'PHPStan\\Testing\\assertVariableCertainty', |
| 355: | ]; |
| 356: | foreach ($assertFunctions as $assertFn => $fqFunctionName) { |
| 357: | if (stripos($functionName, $assertFn) === false) { |
| 358: | continue; |
| 359: | } |
| 360: | |
| 361: | $correctFunction = $fqFunctionName; |
| 362: | } |
| 363: | |
| 364: | if ($correctFunction === null) { |
| 365: | return; |
| 366: | } |
| 367: | |
| 368: | self::fail(sprintf( |
| 369: | 'Function %s imported with wrong namespace %s called in %s on line %d.', |
| 370: | $correctFunction, |
| 371: | $functionName, |
| 372: | $relativePathHelper->getRelativePath($file), |
| 373: | $node->getStartLine(), |
| 374: | )); |
| 375: | } |
| 376: | |
| 377: | if (count($node->getArgs()) !== 2) { |
| 378: | self::fail(sprintf( |
| 379: | 'ERROR: Wrong %s() call in %s on line %d.', |
| 380: | $functionName, |
| 381: | $relativePathHelper->getRelativePath($file), |
| 382: | $node->getStartLine(), |
| 383: | )); |
| 384: | } |
| 385: | |
| 386: | $asserts[$file . ':' . $node->getStartLine()] = $assert; |
| 387: | }); |
| 388: | |
| 389: | if (count($asserts) === 0) { |
| 390: | self::fail(sprintf('File %s does not contain any asserts', $file)); |
| 391: | } |
| 392: | |
| 393: | if (count($delayedErrors) === 0) { |
| 394: | return $asserts; |
| 395: | } |
| 396: | |
| 397: | foreach ($asserts as $i => $assert) { |
| 398: | $assert[] = $delayedErrors; |
| 399: | $asserts[$i] = $assert; |
| 400: | } |
| 401: | |
| 402: | return $asserts; |
| 403: | } |
| 404: | |
| 405: | |
| 406: | |
| 407: | |
| 408: | |
| 409: | public static function gatherAssertTypesFromDirectory(string $directory): array |
| 410: | { |
| 411: | $asserts = []; |
| 412: | foreach (self::findTestDataFilesFromDirectory($directory) as $path) { |
| 413: | foreach (self::gatherAssertTypes($path) as $key => $assert) { |
| 414: | $asserts[$key] = $assert; |
| 415: | } |
| 416: | } |
| 417: | |
| 418: | return $asserts; |
| 419: | } |
| 420: | |
| 421: | |
| 422: | |
| 423: | |
| 424: | public static function findTestDataFilesFromDirectory(string $directory): array |
| 425: | { |
| 426: | if (!is_dir($directory)) { |
| 427: | self::fail(sprintf('Directory %s does not exist.', $directory)); |
| 428: | } |
| 429: | |
| 430: | $finder = new Finder(); |
| 431: | $finder->followLinks(); |
| 432: | $files = []; |
| 433: | foreach ($finder->files()->name('*.php')->in($directory) as $fileInfo) { |
| 434: | $path = $fileInfo->getPathname(); |
| 435: | if (self::isFileLintSkipped($path)) { |
| 436: | continue; |
| 437: | } |
| 438: | $files[] = $path; |
| 439: | } |
| 440: | |
| 441: | return $files; |
| 442: | } |
| 443: | |
| 444: | |
| 445: | |
| 446: | |
| 447: | |
| 448: | |
| 449: | private static function isFileLintSkipped(string $file): bool |
| 450: | { |
| 451: | $f = @fopen($file, 'r'); |
| 452: | if ($f !== false) { |
| 453: | $firstLine = fgets($f); |
| 454: | if ($firstLine === false) { |
| 455: | return false; |
| 456: | } |
| 457: | |
| 458: | |
| 459: | if (str_starts_with($firstLine, '#!')) { |
| 460: | $firstLine = fgets($f); |
| 461: | if ($firstLine === false) { |
| 462: | return false; |
| 463: | } |
| 464: | } |
| 465: | |
| 466: | @fclose($f); |
| 467: | |
| 468: | if (preg_match('~<?php\\s*\\/\\/\s*lint\s*([^\d\s]+)\s*([^\s]+)\s*~i', $firstLine, $m) === 1) { |
| 469: | return version_compare(PHP_VERSION, $m[2], $m[1]) === false; |
| 470: | } |
| 471: | } |
| 472: | |
| 473: | return false; |
| 474: | } |
| 475: | |
| 476: | public static function getAdditionalConfigFiles(): array |
| 477: | { |
| 478: | return array_merge( |
| 479: | parent::getAdditionalConfigFiles(), |
| 480: | [ |
| 481: | __DIR__ . '/narrowMethodScopeFromConstructor.neon', |
| 482: | ], |
| 483: | ); |
| 484: | } |
| 485: | |
| 486: | |
| 487: | protected static function getAdditionalAnalysedFiles(): array |
| 488: | { |
| 489: | return []; |
| 490: | } |
| 491: | |
| 492: | |
| 493: | protected static function getEarlyTerminatingMethodCalls(): array |
| 494: | { |
| 495: | return []; |
| 496: | } |
| 497: | |
| 498: | |
| 499: | protected static function getEarlyTerminatingFunctionCalls(): array |
| 500: | { |
| 501: | return []; |
| 502: | } |
| 503: | |
| 504: | } |
| 505: | |